Home / 5,377.97-8,073.11-3,191.31

Finding the Fourth Proportional to 5,377.97, 8,073.11 and 3,191.31

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Solution

The fourth proportional to 5,377.97, 8,073.11 and 3,191.31 is: 4,790.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.97 : 8,073.11 = 3,191.31 : x
  2. Step 2: Convert to fraction form
    5,377.97/8,073.11 = 3,191.31/x
  3. Step 3: Cross multiply
    5,377.97x = 8,073.11 × 3,191.31
  4. Step 4: Simplify right side
    5,377.97x = 25,763,793.57
  5. Step 5: Solve for x
    x = 25,763,793.57/5,377.97
  6. Step 6: Final answer
    x = 4,790.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.